CN206092849U - Transmission structure - Google Patents
Transmission structure Download PDFInfo
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- CN206092849U CN206092849U CN201621097445.7U CN201621097445U CN206092849U CN 206092849 U CN206092849 U CN 206092849U CN 201621097445 U CN201621097445 U CN 201621097445U CN 206092849 U CN206092849 U CN 206092849U
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- nut
- drive mechanism
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- screw rod
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Abstract
The utility model discloses a transmission structure, it includes screw rod and nut, still include with nut fixed joint's nut socket and with nut socket fixed connection's drive wheel, nut socket includes that the clearance parcel is in the bearing the construction section, be used for fixed connection of screw rod surface the linkage segment of nut and being located bear the construction section with step section between the linkage segment, the surface cover that bears the construction section is equipped with bearing and right the bearing carries out spacing interval holding ring, the fixed cover of bearing outer surface is equipped with and is used for connecting the connecting seat by the drive structure, the fixed setting in both ends of screw rod. The utility model discloses to high -speed length restricted's mechanism, it is unequal effectively to improve the driving piece atress, reduces the rising of bulk temperature, and it is eccentric to reduce the screw rod, has increased the whole transmission precision of mechanism, and has improved life greatly.
Description
【Technical field】
This utility model belongs to drive technology field, more particularly to a kind of drive mechanism.
【Background technology】
Worm drive are the machine drivings that power and motion are transmitted using the engagement of screw rod and nut, are mainly used in revolving
Transhipment is dynamic to be converted into linear motion, converts torque into thrust.Frictional property between screw thread is pressed, worm drive can be divided into slip screw
Transmission and rolling spiral drive.Rolling spiral drive is to realize that the spiral of rolling friction is passed between screw thread work surface with rolling element
It is dynamic, also known as ball-screw-transmission.Rolling element is usually ball, also useful roller.The coefficient of friction of rolling spiral drive, effect
Though the grade ratio static pressure worm drive of rate, abrasion, life-span, anti-creeping performance, transmission accuracy and axial rigidity are slightly worse, more than slip spiral shell
Rotation transmission is preferably.The efficiency of rolling spiral drive typically more than 90%, its not self-locking, with transmission reversibility, extensively
Be applied to lathe, aircraft, ship and automobile etc. require high accuracy or efficient occasion.
Screw rod mostly is in prior art and rotarily drives nut movement, motor is fixed on screw rod tail end, when nut is away from motor
During end, the load on nut apart from screw rod stress point farther out.Distortion power is larger suffered by screw rod, and screw rod temperature rise amplitude is larger, at a high speed
Operating affects machine overall precision, long-play to affect screw rod service life.
Therefore, it is necessary to provide a kind of new drive mechanism to solve the above problems.
【Utility model content】
Main purpose of the present utility model is to provide a kind of drive mechanism, for the mechanism of high speed length limitation, can
Actuator stress inequality is effectively improved, the rising of bulk temperature is reduced, transmission accuracy is guaranteed, and long service life.
This utility model is achieved through the following technical solutions above-mentioned purpose：A kind of drive mechanism, it includes screw rod and nut,
The drive for also including the ut socket being fixedly connected with the nut and being fixedly connected with the ut socket, the nut
Sleeve is wrapped in carrying construction section, the linkage section for being fixedly connected the nut and the position of the screw surface including gap
Step section between the carrying construction section and the linkage section, the outer surface of the carrying construction section be arranged with bearing and
Spacing positioned at intervals ring is carried out to the bearing, the bearing outside surface is fixed and is arranged with for connection by the company of driving structure
Joint chair, the two ends of the screw rod are fixedly installed.
Further, the outer surface diameter for carrying construction section, the step section and the linkage section gradually increases.
Further, the middle part of the linkage section is hollow structure and is formed with cavity, and the nut is fixed by screw
In the linkage section and partly stretch in the cavity.
Further, the end for carrying construction section is provided with screw thread, and the threaded threaded one end of setting is connected with
Locking nut.
Further, one end of the locking nut supports the end that positioned at intervals ring is stated in residence.
Further, the inner ring both side surface of the bearing is respectively by the end face and the positioned at intervals of the step section
The end face of ring carries out spacing.
Further, the first groove, the first groove medium ring are provided with relative two surfaces that the connecting seat is
Shape is disposed with some screwed holes, and the first gland is fixedly connected with by screw in two first grooves.
Further, two first glands support respectively two end faces that bearing outer ring is stated in residence.
Further, the second gland of both connections is provided between the drive and the ut socket.
Further, described second gland one end supports that the end of linkage section is stated in residence and the other end supports residence and states transmission
The end of wheel.
Compared with prior art, a kind of beneficial effect of drive mechanism of this utility model is：For high speed length limitation
Mechanism, using nut rotation realize the linear motion of itself so that stress point with drive point remain same position, can
Actuator stress inequality is effectively improved, the rising of bulk temperature is reduced, the overall transmission accuracy of mechanism, and service life is improved
It is long；Multiple gland structures are cleverly designed, is realized to the spacing of bearing, fitted bearing is caused with the connection for being moved along a straight line
Seat will not be rotated, it is ensured that the stability of driven object part.
【Description of the drawings】
Fig. 1 is the cross section structure diagram of this utility model embodiment；
Fig. 2 is the dimensional structure diagram of this utility model embodiment；
Numeral is represented in figure：
100 drive mechanisms；1 screw rod；2 nuts；3 ut sockets, 31 carrying construction sections, 32 linkage sections, 321 cavitys, 33
Stage；4 drives；5 bearings；6 connecting seats, 61 first grooves, 62 first glands；7 positioned at intervals rings；8 locking nuts；9 second
Gland, 91 second grooves.
【Specific embodiment】
Embodiment：
Fig. 1, Fig. 2 are refer to, the present embodiment is drive mechanism 100, and it includes that the screw rod 1 fixed at two ends and screw rod 1 coordinate
Drive 4 that the ut socket 3 that the nut 2 of transmission is fixedly connected with nut 2 is fixedly connected with ut socket 3, it is set in spiral shell
The bearing 5 of the appearance of mother sleeve 3, it is set in the outer surface of bearing 5 and for connection by the connecting seat 6 of driving structure and fixed with limit
The positioned at intervals ring 7 of position bearing 5.
The two ends of screw rod 1 are fixed in fixed seat, and nut 2 is ball nut, and screw rod 1 is rolling with the transmission principle of nut 2
Ballscrew is driven.
Ut socket 3 is wrapped in carrying construction section 31, the company for being fixedly connected nut 2 on the surface of screw rod 1 including gap
Connect section 32 and positioned at the step section 33 carried between construction section 31 and linkage section 32.Carry construction section 31, step section 33 and
The outer surface diameter of linkage section 32 gradually increases.The middle part of linkage section 32 is hollow structure and is formed with cavity 321.Carry and install
The end of section 31 is provided with screw thread, and the threaded threaded one end of setting is connected with locking nut 8, and one end of locking nut 8 is supported
The end of positioned at intervals ring 7 is handled, position-limiting action of the positioned at intervals ring 7 to bearing 5 is realized.
Bearing 5, positioned at intervals ring 7 are set in the outer surface for carrying construction section 31.Nut 2 is fixed by screws in nut sleeve
The linkage section 32 of cylinder 3, and partly stretch in cavity 321.
The inner ring both side surface of bearing 5 carries out respectively spacing by the end face of step section 33 and the end face of positioned at intervals ring 7.
In the present embodiment, bearing 5 is provided with two.
The first groove 61 is provided with relative two surfaces of connecting seat 6, annular is disposed with some spiral shells in the first groove 61
Pit, the first gland 62 is fixedly connected with two the first grooves 61 by screw, and two the first glands 62 support respectively axle
Two end faces of 5 outer rings are held, it is spacing so as to carry out to the outer ring of bearing 5.Connecting seat 6 is mainly used in being fixedly connected driven member,
Realize the linear motion of driven member.
The second gland 9 of both connections is provided between drive 4 and ut socket 3.The end face of second gland 9 is supported
The linkage section 32 of ut socket 3 and other end supports drive 4.Second gland 9 has been internally formed the second groove 91, and
The bottom surface of two grooves 91 supports the end face of nut 2, and the connection to nut 2 and ut socket 3 serves double protective effect.
Drive 4 is mainly used in carrying out power transmission with actuator, can be using type of belt drive such as belt, gear, chains.
The operation principle of the present embodiment drive mechanism 100 is：Drive 4 is rotated under the driving effect of actuator,
Simultaneously according to the pass order of power, ut socket 3, nut 2, the inner ring of bearing 5, positioned at intervals ring 7 and locking are driven successively
Nut 8 is rotated together；Due to the rotation of nut 2, and the screw rod 1 coordinated with it is stationary state, so as to according to screw rod spiral shell
Female transmission principle, itself convert rotational motion of nut 2 is into the linear motion of itself, simultaneously because nut 2 is consolidated with ut socket 3
Fixed connection, ut socket 3, the connecting seat 6 being set on ut socket 3 are also moved along a straight line together therewith, solid so as to realize
The linear motion of the object being scheduled on connecting seat 6.
The beneficial effect of the present embodiment drive mechanism 100 is：For the mechanism of high speed length limitation, rotated using nut
Realize the linear motion of itself so that stress point remains same position with point is driven, and can be effectively improved actuator stress
Inequality, reduces the rising of bulk temperature, improves the overall transmission accuracy of mechanism, and long service life；Cleverly design multiple
Gland structure, realizes to the spacing of bearing, fitted bearing is caused as the connecting seat for being moved along a straight line will not carry out rotation fortune
It is dynamic, it is ensured that the stability of driven object part.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of design is created without departing from this utility model, some deformations and improvement can also be made, these belong to this practicality
New protection domain.
Claims (10)
1. a kind of drive mechanism, it includes screw rod and nut, it is characterised in that：Also include the nut being fixedly connected with the nut
Sleeve and the drive being fixedly connected with the ut socket, the ut socket is wrapped in the screw surface including gap
Carry construction section, the linkage section for being fixedly connected the nut and positioned at it is described carrying construction section and the linkage section it
Between step section, the outer surface of the carrying construction section is arranged with bearing and carries out spacing positioned at intervals to the bearing
Ring, the bearing outside surface is fixed and is arranged with for connection by the connecting seat of driving structure, and the two ends of the screw rod are fixedly installed.
2. drive mechanism as claimed in claim 1, it is characterised in that：The carrying construction section, the step section and described
The outer surface diameter of linkage section gradually increases.
3. drive mechanism as claimed in claim 1, it is characterised in that：The middle part of the linkage section is hollow structure and is formed with
Cavity, the nut is fixed by screws in the linkage section and part is stretched in the cavity.
4. drive mechanism as claimed in claim 1, it is characterised in that：The end for carrying construction section is provided with screw thread, and
Threaded threaded one end is set and is connected with locking nut.
5. drive mechanism as claimed in claim 4, it is characterised in that：One end of the locking nut supports residence and states to be spaced determines
The end of position ring.
6. drive mechanism as claimed in claim 1, it is characterised in that：The inner ring both side surface of the bearing is respectively by described
The end face of step section carries out spacing with the end face of the positioned at intervals ring.
7. drive mechanism as claimed in claim 1, it is characterised in that：It is provided with relative two surfaces that the connecting seat is
First groove, annular is disposed with some screwed holes in first groove, is fixed by screw in two first grooves and is connected
It is connected to the first gland.
8. drive mechanism as claimed in claim 7, it is characterised in that：Two first glands support respectively residence and state bearing
Two end faces of outer ring.
9. drive mechanism as claimed in claim 1, it is characterised in that：It is provided between the drive and the ut socket
Second gland of both connections.
10. drive mechanism as claimed in claim 9, it is characterised in that：Described second gland one end supports residence and states linkage section
End and the other end supports the end that drive is stated in residence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097445.7U CN206092849U (en) | 2016-09-30 | 2016-09-30 | Transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097445.7U CN206092849U (en) | 2016-09-30 | 2016-09-30 | Transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092849U true CN206092849U (en) | 2017-04-12 |
Family
ID=58482017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621097445.7U Active CN206092849U (en) | 2016-09-30 | 2016-09-30 | Transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092849U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578780A (en) * | 2019-08-07 | 2019-12-17 | 山东大学 | Dual-drive sliding screw transmission pair and micro-feeding device formed by same |
| CN113062955A (en) * | 2021-03-16 | 2021-07-02 | 拓卡奔马机电科技有限公司 | Screw rod module |
| CN114321307A (en) * | 2022-01-17 | 2022-04-12 | 四川大学 | Novel spiral transmission structure |
-
2016
- 2016-09-30 CN CN201621097445.7U patent/CN206092849U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578780A (en) * | 2019-08-07 | 2019-12-17 | 山东大学 | Dual-drive sliding screw transmission pair and micro-feeding device formed by same |
| CN113062955A (en) * | 2021-03-16 | 2021-07-02 | 拓卡奔马机电科技有限公司 | Screw rod module |
| CN114321307A (en) * | 2022-01-17 | 2022-04-12 | 四川大学 | Novel spiral transmission structure |
| CN114321307B (en) * | 2022-01-17 | 2024-04-26 | 四川大学 | Screw transmission structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200518 Address after: 215000 No.88, Jinpu Road, new town, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: KUNSHAN XINYOULI AUTOMATION Co.,Ltd. Address before: 215000, room 209, building A1, No. 756 Kun Lu, Yushan Town, Kunshan, Jiangsu, Suzhou Patentee before: KUNSHAN AODIER INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 215000, room 209, building A1, No. 756 Kun Lu, Yushan Town, Kunshan, Jiangsu, Suzhou Patentee after: KUNSHAN AODIER INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 215000 No.88, Jinpu Road, new town, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN XINYOULI AUTOMATION Co.,Ltd. |
|
| TR01 | Transfer of patent right |